Exercise apparatus



FIG. 1 is an isometric view of the exercise apparatus showing our new design;

FIG. 2 is a side elevational view thereof, each of the other sides being identical in appearance;

FIG. 3 is a top plan view thereof;

FIG. 4 is an enlarged view of the top of the post of the exercise apparatus showing our new design; and,

FIG. 5 is side elevational view thereof, rotated at a 45° angle.

The broken line showing in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an exercise apparatus, as shown and described. 